Modern Fiberstone Rectangle Planter | Rejuvenation
Amazon.com : Rectangular Grey Fiberglass Planter Box - Balcony Flower Pot, 8" H x 8" W x 20" L - by Pottery Pots - The Essentials Series : Patio, Lawn & Garden
Jay Scotts Brisbane Rectangular Fiberglass Planter: 36"L x 24"W x 32"H – Yardify.com